US Bridges

Lrd N 70th ST over Menomonee River

Good

Milwaukee County, Wisconsin · 0.6M N JCT Ush 18 · Structure no. B40074900000000

Built
2011
14 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
96 ft
2 main spans
Daily traffic
3,526
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd N 70th ST over Menomonee River is a concrete continuous slab carrying Lrd N 70th ST over Menomonee River in Milwaukee County, Wisconsin. It was built in 2011, so it is 14 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,526 vehicles a day, roughly 1% of them trucks, projected to reach 3,878 by 2043. The structure is 96 ft (29.3 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd N 70th ST
CrossesMenomonee River
Location0.6M N JCT Ush 18
RouteCity Street 0
Coordinates43.04534, -87.99985
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length96 ft (29.3 m)
Longest span47 ft (14.3 m)
Deck width52 ft (16 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,526 (2022)
Projected traffic3,878 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd N 70th ST over Menomonee River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Lrd N 70th ST over Menomonee River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Lrd N 70th ST over Menomonee River carry?

About 3,526 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Lrd N 70th ST over Menomonee River?

The structure is 96 ft (29.3 m) long with a longest span of 47 ft (14.3 m) and a deck 52 ft wide.

Who owns Lrd N 70th ST over Menomonee River?

It is owned by the City or Municipal Highway Agency.